Finding the Fourth Proportional to 111,571.52, 153,924.18 and 71,274.83

Step by Step Solution

1. Step 1: Write the proportion equation
   111,571.52 : 153,924.18 = 71,274.83 : x
2. Step 2: Convert to fraction form
   111,571.52/153,924.18 = 71,274.83/x
3. Step 3: Cross multiply
   111,571.52x = 153,924.18 × 71,274.83
4. Step 4: Simplify right side
   111,571.52x = 10,970,919,762.39
5. Step 5: Solve for x
   x = 10,970,919,762.39/111,571.52
6. Step 6: Final answer
   x = 98,330.83